Web cleaner

The utility model discloses a cotton net cleaner which comprises a cover body, a dust collection cavity is arranged in the cover body, a dust collection opening is formed in one side of the dust collection cavity, a flow guide plate is arranged on one side of the dust collection opening of the cover body, a dust removal knife is arranged on the other side of the dust collection opening of the cover body, and positioning seats are arranged at the two ends of the cover body respectively. The bottom of the positioning seat is connected with a supporting seat, the positioning seat and the supporting seat are fixedly connected through a positioning pin column screw, an adjusting screw is further arranged between the positioning seat and the supporting seat and penetrates through the positioning seat to be in threaded fit with the supporting seat, and a disc spring is arranged between the positioning seat and the supporting seat in an abutting mode. The adjusting screw abuts against the disc spring. The device is s